AnaptysbioANAB
13F holders, Q1 2025 (March 31)153holders +18
43new positions
27sold out
8famous investors
$18.59avg. 13F price*
At the end of Q1 2025, 153 institutions reported holding Anaptysbio Inc. (ANAB) in their 13F filings, up 18 from Q4 2024. 43 opened new positions and 27 sold out. The largest holders were EcoR1 Capital, LLC ($146.5M), First Light Asset Management, LLC ($86.1M) and Point72 Asset Management ($44.0M). 8 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Anaptysbio Inc.
- CUSIP
- 032724106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $70.5M |
| Exits | 27 | $57.9M |
All 13F filers, Q4 2024 → Q1 2025: 12,828,767 shares bought and 8,347,787 shares sold, net +4,480,980 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 153 holders
| EcoR1 Capital, LLC | 8.71% | Add +0.1% | 7,880,094 | $146.5M |
| First Light Asset Management, LLC | 9.84% | Add +433.3% | 4,633,602 | $86.1M |
| Point72 Asset Management | 0.13% | New | 2,368,370 | $44.0M |
| BlackRock, Inc. | 0.00% | Reduce -14.6% | 2,176,598 | $40.5M |
| FMR LLC | 0.00% | Reduce -37.1% | 1,905,154 | $35.4M |
| Tang Capital Management LLC | 1.59% | Add +16.1% | 1,545,153 | $28.7M |
| Vanguard Group Inc. | 0.00% | Reduce -17.7% | 1,517,325 | $28.2M |
| Boxer Capital Management, LLC | 7.27% | No change | 1,300,000 | $24.2M |
| Sofinnova Investments, Inc. | 1.63% | Add +772.7% | 1,160,033 | $21.6M |
| Bank of America Corp. | 0.00% | Add +6273.4% | 1,143,959 | $21.3M |
| Citigroup Inc. | 0.02% | Add +1892.0% | 1,071,247 | $19.9M |
| Palo Alto Investors LP | 3.61% | Add +20.9% | 1,020,713 | $19.0M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -1.1% | 915,081 | $17.0M |
| State Street Corp. | 0.00% | Reduce -33.1% | 860,723 | $16.0M |
| Sanofi | 9.21% | No change | 821,917 | $15.3M |
| Woodline Partners LP | 0.10% | Add +63.1% | 791,023 | $14.7M |
| Camber Capital Management LP | 0.87% | Reduce -40.0% | 750,000 | $13.9M |
| Morgan Stanley | 0.00% | Add +133.7% | 504,636 | $9.4M |
| Geode Capital Management, LLC | 0.00% | Add +0.9% | 491,167 | $9.1M |
| UBS Group AG | 0.00% | Add +1239.3% | 490,273 | $9.1M |
| Victory Capital Management Inc. | 0.01% | Add +21.5% | 406,430 | $7.6M |
| Citadel Advisors | 0.01% | Add +114.5% | 372,569 | $6.9M |
| 5AM Venture Management, LLC | 2.52% | No change | 357,733 | $6.7M |
| Franklin Resources Inc. | 0.00% | Add +0.0% | 354,391 | $6.6M |
| Renaissance Technologies | 0.01% | Add +75.3% | 338,700 | $6.3M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -33.0% | 280,577 | $5.2M |
| Two Sigma Advisers, LP | 0.01% | Reduce -8.6% | 268,100 | $5.0M |
| Two Sigma Investments, LP | 0.01% | Reduce -24.5% | 265,858 | $4.9M |
| Opaleye Management Inc. | 1.06% | New | 250,933 | $4.7M |
| Assenagon Asset Management S.A. | 0.01% | Reduce -26.9% | 242,485 | $4.5M |
| Ensign Peak Advisors, Inc | 0.01% | No change | 215,454 | $4.0M |
| Northern Trust Corp. | 0.00% | Reduce -3.2% | 212,886 | $4.0M |
| 683 Capital Management, LLC | 0.40% | New | 195,627 | $3.6M |
| Trexquant Investment LP | 0.03% | Add +152.9% | 153,563 | $2.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -7.7% | 153,356 | $2.9M |
| Granahan Investment Management, LLC | 0.14% | Add +38.1% | 146,491 | $2.7M |
| D. E. Shaw & Co. | 0.00% | Reduce -34.2% | 129,654 | $2.4M |
| Exome Asset Management LLC | 1.94% | New | 116,623 | $2.2M |
| Soleus Capital Management, L.P. | 0.15% | Reduce -75.3% | 102,052 | $1.9M |
| Voya Investment Management LLC | 0.00% | New | 96,972 | $1.8M |
| Macquarie Group Ltd. | 0.00% | No change | 93,732 | $1.7M |
| Marshall Wace, LLP | 0.00% | New | 92,870 | $1.7M |
| HighMark Wealth Management LLC | 1.01% | New | 92,000 | $1.7M |
| Moody Aldrich Partners LLC | 0.32% | New | 83,224 | $1.5M |
| Wellington Management Group LLP | 0.00% | Add +14.4% | 76,021 | $1.4M |
| Bank of New York Mellon Corp | 0.00% | Add +7.1% | 61,207 | $1.1M |
| Fisher Asset Management | 0.00% | No change | 58,878 | $1.1M |
| SummitTX Capital, L.P. | 0.05% | — | 57,109 | $1.1M |
| Barclays PLC | 0.00% | Reduce -32.7% | 56,219 | $1.0M |
| Nuveen, LLC | 0.00% | — | 56,012 | $1.0M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.02% | New | 47,051 | $875K |
| PDT Partners, LLC | 0.06% | New | 44,529 | $828K |
| Susquehanna International Group, LLP | 0.00% | Add +163.9% | 44,337 | $824K |
| HRT Financial LP | 0.01% | New | 43,211 | $803K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +0.4% | 36,596 | $680K |
| FMB Wealth Management | 0.37% | No change | 35,592 | $662K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +18.4% | 34,913 | $649K |
| DCF Advisers, LLC | 0.35% | New | 34,850 | $648K |
| Skandinaviska Enskilda Banken AB (publ) | 0.00% | New | 33,523 | $623K |
| Swiss National Bank | 0.00% | Add +9.1% | 32,400 | $602K |
| Balyasny Asset Management L.P. | 0.00% | New | 32,074 | $596K |
| Prelude Capital Management, LLC | 0.06% | New | 32,023 | $595K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.1% | 31,571 | $587K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -56.0% | 31,180 | $580K |
| Rhumbline Advisers | 0.00% | Add +2.8% | 30,903 | $574K |
| Voloridge Investment Management, LLC | 0.00% | Reduce -64.7% | 30,873 | $574K |
| Alliancebernstein L.P. | 0.00% | No change | 30,520 | $567K |
| AQR Capital Management | 0.00% | Add +153.3% | 30,011 | $558K |
| Fox Run Management, L.L.C. | 0.08% | New | 27,796 | $517K |
| BNP Paribas Financial Markets | 0.00% | Add +10.6% | 25,587 | $476K |
| BIT Capital GmbH | 0.06% | New | 25,422 | $473K |
| Quadrature Capital Ltd | 0.01% | New | 23,508 | $437K |
| Caption Management, LLC | 0.02% | Add +209.9% | 23,376 | $435K |
| Alps Advisors Inc. | 0.00% | Reduce -6.0% | 23,126 | $430K |
| ExodusPoint Capital Management, LP | 0.01% | New | 21,944 | $408K |
| Invesco Ltd. | 0.00% | Reduce -8.4% | 21,336 | $397K |
| Legal & General Group Plc | 0.00% | Add +9.0% | 20,363 | $379K |
| Millennium Management | 0.00% | Reduce -87.8% | 17,807 | $331K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -80.7% | 16,487 | $306K |
| Deutsche Bank AG | 0.00% | Reduce -11.6% | 15,796 | $294K |
| Nebula Research & Development LLC | 0.03% | Reduce -11.0% | 15,505 | $288K |
| Cresset Asset Management, LLC | 0.00% | New | 14,613 | $272K |
| California State Teachers Retirement System | 0.00% | No change | 14,590 | $271K |
| Oxford Asset Management LLP | 0.12% | New | 14,473 | $269K |
| JPMorgan Chase & Co. | 0.00% | Reduce -87.6% | 14,300 | $266K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -5.4% | 14,205 | $265K |
| Brevan Howard Capital Management LP | 0.01% | New | 14,192 | $264K |
| TD Asset Management Inc | 0.00% | No change | 14,000 | $260K |
| Creative Planning | 0.00% | New | 13,283 | $247K |
| SG Americas Securities, LLC | 0.00% | Reduce -25.6% | 12,134 | $226K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.7% | 11,928 | $222K |
| Wells Fargo & Company | 0.00% | Add +2.3% | 11,377 | $211K |
| Virtus Investment Advisers, LLC | 0.06% | New | 10,926 | $203K |
| Algert Global LLC | 0.01% | New | 10,870 | $202K |
| OneAscent Financial Services LLC | 0.01% | New | 10,889 | $202K |
| Corton Capital Inc. | 0.66% | New | 10,699 | $199K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 10,590 | $197K |
| Glenmede Trust Co. NA | 0.00% | New | 10,376 | $193K |
| Tudor Investment Corporation | 0.00% | Reduce -1.6% | 10,194 | $190K |
| Scotia Capital Inc. | 0.00% | New | 10,082 | $187K |
"% of holder's portfolio" is ANAB's weight in each manager's 13F, not the share of Anaptysbio Inc. the manager owns.